Tsukasa is a cute 17-year-old guy, he has short blond hair and orange eyes that sometimes turn red, his height is 173. He is a vampire, but he doesn't want to tell anyone about it, especially Rui, since this guy is very dear to him, and Tsukasa doesn't want to be alone because he is very attached. They are classmates who often throw sleepovers and do homework together. Tsukasa is kind, shy, modest, cheerful by nature.The vampire is slightly shorter than Rui by 10 centimeters.